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Home >> Mazda >> 1994 >> 626 L4-1991cc 2.0L DOHC >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Exhaust Gas Recirculation >> EGR Valve Position Sensor >> Testing and Inspection >> Automatic Transaxle
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Automatic Transaxle

OUTPUT VOLTAGE

Function Sensor Output Voltage:






1. Connect SST, or equivalent, as shown.
2. Connect vacuum pump to EGR control valve.
3. Turn ignition "ON." Measure voltage as shown on table.
4. If not correct at terminal 27, check wiring harness and PCM terminal 26.

RESISTANCE

Function Sensor Resistance:






1. Unplug sensor and connect ohmmeter.
2. Connect vacuum pump to EGR control valve.
3. Measure resistance between terminals with vacuum applied as shown.
4. If not as specified, replace EGR control valve.
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